2004 7th International Conference on Signal Processing: Proceedings ICSP'04 Aug. 31-Sept 4, 2004, Beijing, China by Institution of Electrical Engineers, Baozong Yuan, IEEE Signal Processing Society, Xiaofang Tang, Zhongguo dian zi xue hui., Qiuqi Ruan (7121002159 9787121002151 7-121-00215-9)
2004 Asia-Pacific Radio Science Conference: Proceedings August 24-27, 2004, Qingdao, China by International Union of Radio Science, Zhongguo dian zi xue hui., Keyun Tang, Dayong Liu, International Scientific Radio Union (7121002167 9787121002168 7-121-00216-7)
